class Village {
    static int waterAmount;

    Village() {

    }

    Village(int waterAmount) {

    }
    public void setWaterAmount(int waterAmount){
        this.waterAmount=waterAmount;
    }
    public int getWaterAmount(){
        return waterAmount;
    }
}
public class Land{
    public  static void main(String[] args) {
            Village zhaoZhuang = new Village();
        System.out.println(Village.waterAmount);
            zhaoZhuang.setWaterAmount(60);

            Village liZhuang = new Village();
        System.out.println(Village.waterAmount);
        }
    }

